CN108435817A - A kind of bar extruding mold and its application method - Google Patents
A kind of bar extruding mold and its application method Download PDFInfo
- Publication number
- CN108435817A CN108435817A CN201810481377.1A CN201810481377A CN108435817A CN 108435817 A CN108435817 A CN 108435817A CN 201810481377 A CN201810481377 A CN 201810481377A CN 108435817 A CN108435817 A CN 108435817A
- Authority
- CN
- China
- Prior art keywords
- section
- circle
- extrusion
- bar
- avertence
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/001—Extruding metal; Impact extrusion to improve the material properties, e.g. lateral extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/08—Making wire, bars, tubes
Abstract
A kind of bar extruding mold and its application method, it is made of punch die and pattern, forming cavity is located in pattern, it is formed by squeezing into section, right avertence extruded segment, left avertence extruded segment, forward extrusion section and extruding zone, when use, first pre-extrusion bar by squeezing into the deformation of section, right avertence extruded segment, left avertence extruded segment, forward extrusion section and extruding zone, completes the crimp of the first pre-extrusion bar successively；The present invention, which has, is combined jumping-up and extruding, than the deformation extent of the simple extrusion molding bigger of tradition, be conducive to material structure improvement and material property raising the advantages of.
Description
Technical field
The invention belongs to extrusion technique fields, and in particular to a kind of bar extruding mold and its application method.
Background technology
It squeezes and jumping-up is two kinds of basic manufacturing process of metal material Plastic Forming, two kinds of forming modes can be effectively
Refiner material tissue improves the comprehensive performance of material.But in practical operation, the mode of texturing that jumping-up is combined with extruding is not
It is common, meanwhile, complex procedures, operability present in grained material preparation method be not strong at present and forming efficiency is low asks
Topic.
Invention content
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of bar extruding mold and its application method,
Complex procedures degree in grained material preparation method can be reduced, improve operability and forming efficiency.
In order to achieve the above object, the technical solution adopted by the present invention is:
A kind of bar extruding mold, including punch die and pattern：
The pattern is a hollow cylinder, and hollow space is forming cavity, and the forming cavity includes squeezing into
Section 1 squeezes into 1 top of section and is in contact with punch die, squeezes into the lower end connection right avertence extruded segment 2 of section 1, the lower end of right avertence extruded segment 2 connects
3 upper end of left avertence extruded segment is connect, 3 lower end of left avertence extruded segment connects 4 upper end of forward extrusion section, and 4 lower end of forward extrusion section connects extruding zone 5
Upper end；The vertical section of the right avertence extruded segment 2 is right-angled trapezium, and the vertical section of left avertence extruded segment 3 is parallelogram, is just squeezed
It is the non-isosceles trapezoid of on-right angle to press the vertical section of section 4.
The punch die is a cylinder, and the length of a diameter of D of circular cross section, punch die are 1.2L~1.5L.
The section 1 of squeezing into is a cylinder channel, and cross section is round, circular a diameter of D, and the length for squeezing into section is
L。
The right avertence extruded segment 2 is great circle, a diameter of D of great circle, right avertence extruding with the cross section that section 1 is connected is squeezed into
The cross section right avertence circle that section 2 is connected with left avertence extruded segment 3, right avertence diameter of a circle is D-M, the vertical length of right avertence extruded segment 2
For 0.2L；The cross section that left avertence extruded segment 3 is connected with forward extrusion section 4 is justified for left avertence, and left avertence diameter of a circle is D-M, and left avertence is squeezed
It is 0.2L to press the vertical length of section；The cross section that forward extrusion section 4 is connected with extruding zone 5 is roundlet, a diameter of D- of roundlet
The vertical length of 2M, forward extrusion section are 0.2L；
The extruding zone 5 is a cylinder channel, and cross section is circle, circular a diameter of D-2M, the length of extruding zone
Degree is 0.2L.
The distance in the center of circle of the great circle and the center of circle of right avertence circle is 0.5M, right avertence circle and great circle in horizontal plane projection
Upper inscribe is projected in horizontal plane, the distance in the center of circle that the center of circle of great circle and left avertence are justified is 0.5M, left avertence circle in horizontal plane projection
Upper inscribe is projected in horizontal plane with great circle, roundlet is inscribed within right avertence circle and left avertence circle in horizontal plane projection.
Interior point of contact, great circle and the left avertence in the center of circle, great circle and right avertence circle that the center of circle of great circle, the center of circle of right avertence circle, left avertence are justified
The interior point of contact of round interior point of contact, roundlet and right avertence circle, left avertence circle is located along the same line in horizontal plane projection.
The value of the M is：0<M<0.25D.
A kind of application method of bar extruding mold：
Step 1 prepares：Clean the forming cavity of pattern, the forming cavity in the first pre-extrusion bar outer surface and pattern
Upper smearing extrusion lubricant；
Step 2, assembly：It is squeezed into what the first pre-extrusion bar was positioned in section 1, the lower face of the first pre-extrusion bar
It is in contact with the lower face for squeezing into section 1, the upper surface of the first pre-extrusion bar is to squeeze end face, and one end of punch die is connected to extruding
The clamping fixing end of device, the other end of punch die are to squeeze operative end surface to be in contact with the extruding end face of the first pre-extrusion bar；
Step 3, extrusion molding：Pressurizing unit is opened, punch die is squeezed so that the extrusion speed extruding first of 0.1D/s~D/s is pre-
Pressure bar material closes pressurizing unit when the extruding operative end surface of punch die is overlapped with the lower face for squeezing into section 1, stops squeezing for punch die
Pressure operation；
Step 4, extrusion molding：Be then turned on pressurizing unit, punch die is promoted with the speed of D/s~2D/s, when punch die completely from
When forming cavity comes out, the second pre-extrusion bar is positioned over and is squeezed into section 1, opens pressurizing unit, punch die is with 0.1D/s~D/s
Extrusion speed squeeze the second pre-extrusion bar, when the extrudings end face of punch die with the lower face for squeezing into section 1 overlaps when, closing is crowded
Pressure device, stops the extruding operation of punch die, and the second pre-extrusion bar can be pre- by the first pre-extrusion bar extrusion molding cavity, first
Extruded bars by squeezing into the deformation of section 1, right avertence extruded segment 2, left avertence extruded segment 3, forward extrusion section 4 and extruding zone 5, are completed successively
The crimp of first pre-extrusion bar；And so on, it is cylinder bar to obtain extruded bars, and a diameter of D of cylinder bar is long
Degree is 0.5L~0.8L；
Step 5, forming ending：Pressurizing unit is opened, punch die is promoted with the speed of D/s~2D/s, and punch die is completely from bar
The forming cavity of extrusion die comes out.
The present invention has the advantages that compared with prior art：
For pre-extrusion bar when right avertence extruded segment deforms, the vertical section of right avertence extruded segment is right-angled trapezium, trapezoidal right angle
The waist length at place is shorter, is in plumbness, another trapezoidal waist is longer, and from plane deformation angle, material was deforming
Cheng Zhong, trapezoidal interior, side material flow deformation speed is fast, and side material flow deformation speed is slow, and a kind of uneven shearing is presented
Deformation state, extends to spatiality, is equally a kind of uneven shear-deformable state, pre-extrusion bar is in right avertence extruded segment
The main crimp for realizing pre-extrusion bar side；As a same reason, pre-extrusion bar is realized when left avertence extruded segment deforms
The crimp of the pre-extrusion bar other side, it is mutually balanced in the crimp forward extrusion section of both sides, it is more single than traditional to obtain
The deformation extent of pure extrusion molding bigger, is conducive to the improvement of material structure and the raising of material property.
One kind provided by the invention is used for bar extruding mold and its manufacturing process, has deformation effect good, efficient
Advantage.
Description of the drawings
Fig. 1 is the mold cavity structure schematic diagram of the present invention；
Fig. 2 is the mold cavity schematic cross-section of the present invention；
Fig. 3 is the longitudinal section material flow schematic diagram of right avertence extruded segment.
Specific implementation mode
It is further illustrated the present invention below by embodiment, but is not limited to following embodiment.
Embodiment：Pre-extrusion bar is cylinder bar, and a diameter of 10mm of cylinder bar, the length of pre-extrusion bar is
70mm。
Shown in referring to Fig.1, a kind of bar extruding mold, including punch die and pattern：
The pattern is a hollow cylinder, and hollow space is forming cavity, and the forming cavity includes squeezing into
Section 1 squeezes into 1 top of section and is in contact with punch die, squeezes into the lower end connection right avertence extruded segment 2 of section 1, the lower end of right avertence extruded segment 2 connects
3 upper end of left avertence extruded segment is connect, 3 lower end of left avertence extruded segment connects 4 upper end of forward extrusion section, and forward extrusion section lower end connects extruding zone 5
Upper end；
With reference to shown in Fig. 2, the vertical section of the right avertence extruded segment 2 is right-angled trapezium, and the vertical section of left avertence extruded segment 3 is
The vertical section of parallelogram, forward extrusion section 4 is the non-isosceles of on-right angle.
The punch die is a cylinder, and the length of a diameter of D of circular cross section, punch die are 1.2L~1.5L.
The section 1 of squeezing into is a cylinder channel, and cross section is round, circular a diameter of D, and the length for squeezing into section is
L。
The right avertence extruded segment 2 is great circle, a diameter of D of great circle, right avertence extruding with the cross section that section 1 is connected is squeezed into
The cross section right avertence circle that section is connected with left avertence extruded segment, right avertence diameter of a circle is D-M, and the vertical length of right avertence extruded segment is
0.2L；
The cross section that the left avertence extruded segment 3 is connected with right avertence extruded segment 2 is justified for right avertence, and right avertence diameter of a circle is
D-M, the cross section that left avertence extruded segment 3 is connected with forward extrusion section 4 are justified for left avertence, and left avertence diameter of a circle is D-M, and left avertence squeezes
The vertical length of section is 0.2L；
The cross section left avertence circle that the forward extrusion section 4 is connected with left avertence extruded segment 3, left avertence diameter of a circle is D-M,
The cross section that forward extrusion section 4 is connected with extruding zone 5 is roundlet, and a diameter of D-2M of roundlet, the vertical length of forward extrusion section is
0.2L；
The extruding zone 5 is a cylinder channel, and cross section is circle, circular a diameter of D-2M, the length of extruding zone
Degree is 0.2L.
With reference to shown in Fig. 3, the distance in the center of circle of the center of circle of the great circle and right avertence circle is 0.5M in horizontal plane projection,
Right avertence is justified projects upper inscribe with great circle in horizontal plane, and the distance in the center of circle that the center of circle of great circle and left avertence are justified is in horizontal plane projection
0.5M, left avertence circle project upper inscribe with great circle in horizontal plane, and roundlet is inscribed within right avertence circle and left avertence circle in horizontal plane projection.
Interior point of contact, great circle and the left avertence in the center of circle, great circle and right avertence circle that the center of circle of great circle, the center of circle of right avertence circle, left avertence are justified
The interior point of contact of round interior point of contact, roundlet and right avertence circle, left avertence circle is located along the same line in horizontal plane projection.
The value of the M is：0<M<0.25D.
The present invention use the manufacturing process step of above-mentioned bar extruding mold for：
Step 1 prepares：The forming cavity for cleaning the pattern of bar extrusion die, in the first pre-extrusion bar outer surface and
Extrusion lubricant is smeared on forming cavity；
Step 2, assembly：First pre-extrusion bar is positioned over the squeezing into section 1 of bar extruding mold, the first pre-extrusion
The lower face of bar is in contact with the lower face for squeezing into section 1, and the upper surface of the first pre-extrusion bar is to squeeze end face, and the one of punch die
End is connected to the clamping fixing end of pressurizing unit, and the other end is to squeeze working end, the extruding end face phase with the first pre-extrusion bar
Contact；
Step 3, extrusion molding：Pressurizing unit is opened, punch die squeezes the first pre-extrusion bar with the extrusion speed of 8mm/s,
When the extruding operative end surface of punch die is overlapped with the lower face for squeezing into section 1, pressurizing unit is closed, stops the extruding operation of punch die；
Step 4, extrusion molding：It is then turned on pressurizing unit, punch die is promoted with the speed of 15mm/s, when punch die is completely from stick
When the forming cavity of material extrusion die comes out, the second pre-extrusion bar is positioned over and is squeezed into section 1, opens pressurizing unit, punch die
The second pre-extrusion bar is squeezed with the extrusion speed of 8mm/s, when the extruding end face of punch die is overlapped with the lower face for squeezing into section 1,
Pressurizing unit is closed, the extruding operation of punch die is stopped, the second pre-extrusion bar can squeeze the first pre-extrusion bar extrusion bar
The forming cavity of mold, the first pre-extrusion bar is successively by squeezing into section 1, right avertence extruded segment 2, left avertence extruded segment 3, forward extrusion section
4 and extruding zone 5 deformation, complete the first pre-extrusion bar crimp；
Step 5, forming ending：Pressurizing unit is opened, punch die is promoted with the speed of 15mm/s, and punch die is squeezed from bar completely
The forming cavity of compression mould comes out.
For pre-extrusion bar when right avertence extruded segment 2 deforms, the vertical section of right avertence extruded segment 2 is right-angled trapezium, and trapezoidal is straight
Waist length where angle is shorter, is in plumbness, another trapezoidal waist is longer, and from plane deformation angle, material is deforming
In the process, in trapezoidal, side material flow deformation speed is fast, and side material flow deformation speed is slow, and presentation one kind is uneven to cut
Shear shape state, extends to spatiality, is equally a kind of uneven shear-deformable state, pre-extrusion bar is in right avertence extruded segment
The crimp of pre-extrusion bar side is mainly realized in 2；As a same reason, pre-extrusion bar is when left avertence extruded segment 3 deforms,
Realize the crimp of the pre-extrusion bar other side, it is mutually balanced in the crimp forward extrusion section 4 of both sides, to obtain than passing
The deformation extent for simple extrusion molding bigger of uniting, is conducive to the improvement of material structure and the raising of material property.
Claims (6)
1. a kind of bar extruding mold, which is characterized in that including punch die and pattern：
The pattern is a hollow cylinder, and hollow space is forming cavity, and the forming cavity includes squeezing into section
(1), it squeezes at the top of section (1) and is in contact with punch die, squeeze into the lower end connection right avertence extruded segment (2) of section (1), right avertence extruded segment (2)
Lower end connect left avertence extruded segment (3) upper end, left avertence extruded segment (3) lower end connect forward extrusion section (4) upper end, forward extrusion section lower end
Connect the upper end of extruding zone (5)；The vertical section of the right avertence extruded segment (2) be right-angled trapezium, left avertence extruded segment (3) it is longitudinal sectional
Face is parallelogram, and the vertical section of forward extrusion section (4) is isosceles trapezoid.
2. a kind of bar extruding mold according to claim 1, which is characterized in that the punch die is a cylinder, circle
The length of a diameter of D of shape cross section, punch die are 1.2L~1.5L；
The section (1) of squeezing into is a cylinder channel, and cross section is circle, and circular a diameter of D, the length for squeezing into section is L；
The right avertence extruded segment (2) is great circle, a diameter of D of great circle with the cross section that section (1) is connected is squeezed into；The left side
The cross section that inclined extruded segment (3) is connected with right avertence extruded segment (2) is justified for right avertence, and right avertence diameter of a circle is D-M, and left avertence squeezes
Section (3) cross section for being connected with forward extrusion section (4) is left avertence circle, and left avertence diameter of a circle is D-M, left avertence extruded segment it is vertical
Length is 0.2L；
The cross section that the forward extrusion section (4) is connected with extruding zone (5) is roundlet, a diameter of D-2M of roundlet, forward extrusion
The vertical length of section is 0.2L；
The extruding zone (5) is a cylinder channel, and cross section is circle, circular a diameter of D-2M, the length of extruding zone
For 0.2L.
3. a kind of bar extruding mold according to claim 2, which is characterized in that the center of circle of the great circle and right avertence circle
The distance in the center of circle be 0.5M in horizontal plane projection, right avertence circle and great circle project upper inscribe in horizontal plane, the center of circle of great circle and
The distance in the center of circle of left avertence circle is 0.5M in horizontal plane projection, and left avertence circle projects upper inscribe with great circle in horizontal plane, and roundlet exists
Right avertence circle and left avertence circle are inscribed in horizontal plane projection.
4. a kind of bar extruding mold according to claim 2, which is characterized in that the center of circle of great circle, right avertence circle the center of circle,
Interior point of contact, roundlet and the right avertence of interior point of contact, great circle and left avertence circle that the center of circle, great circle and the right avertence of left avertence circle are justified are round, left avertence circle
Interior point of contact is located along the same line in horizontal plane projection.
5. a kind of bar extruding mold according to claim 2, which is characterized in that the value of the M is：0<M<0.25D.
6. based on a kind of application method of bar extruding mold described in claim 1, it is characterised in that：
Step 1 prepares：The forming cavity for cleaning pattern, applies on the forming cavity of the first pre-extrusion bar outer surface and pattern
Smear extrusion lubricant；
Step 2, assembly：Squeezed into what the first pre-extrusion bar was positioned in section (1), the lower face of the first pre-extrusion bar with
The lower face for squeezing into section (1) is in contact, and the upper surface of the first pre-extrusion bar is to squeeze end face, and one end of punch die is connected to extruding
The clamping fixing end of device, the other end of punch die are to squeeze operative end surface to be in contact with the extruding end face of the first pre-extrusion bar；
Step 3, extrusion molding：Pressurizing unit is opened, punch die squeezes the first pre-extrusion stick with the extrusion speed of 0.1D/s~D/s
Material closes pressurizing unit, stops the extruding of punch die when the extruding operative end surface of punch die is overlapped with the lower face for squeezing into section (1)
Operation；
Step 4, extrusion molding：It is then turned on pressurizing unit, punch die is promoted with the speed of D/s~2D/s, when punch die is completely from forming
When cavity comes out, the second pre-extrusion bar is positioned over and is squeezed into section (1), opens pressurizing unit, punch die is with 0.1D/s~D/s's
Extrusion speed squeeze the second pre-extrusion bar, when the extrudings end face of punch die with the lower face for squeezing into section 1 overlaps when, closing extruding
Device, stops the extruding operation of punch die, and the second pre-extrusion bar can be pre- crowded by the first pre-extrusion bar extrusion molding cavity, first
Pressure bar material is successively by squeezing into section (1), right avertence extruded segment (2), left avertence extruded segment (3), forward extrusion section (4) and extruding zone (5)
The crimp of the first pre-extrusion bar is completed in deformation, and so on, it is cylinder bar to obtain extruded bars, cylinder bar
A diameter of D, length are 0.5L~0.8L；
Step 5, forming ending：Pressurizing unit is opened, punch die is promoted with the speed of D/s~2D/s, and punch die is completely from bar extruding
The forming cavity of mold comes out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810481377.1A CN108435817A (en) | 2018-05-18 | 2018-05-18 | A kind of bar extruding mold and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810481377.1A CN108435817A (en) | 2018-05-18 | 2018-05-18 | A kind of bar extruding mold and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108435817A true CN108435817A (en) | 2018-08-24 |
Family
ID=63204861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810481377.1A Pending CN108435817A (en) | 2018-05-18 | 2018-05-18 | A kind of bar extruding mold and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108435817A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110369618A (en) * | 2019-08-14 | 2019-10-25 | 江苏大学 | A kind of mold of high pressure torsion expanding extruding |
| CN110369542A (en) * | 2019-08-14 | 2019-10-25 | 江苏大学 | A kind of continuous expanding extruding mold |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006289479A (en) * | 2005-04-14 | 2006-10-26 | National Institute For Materials Science | Intensive working method of metal, and die used for intensive working method |
| JP2007130661A (en) * | 2005-11-09 | 2007-05-31 | Daido Steel Co Ltd | Multi-stage forward extrusion method |
| CN101823085A (en) * | 2009-03-04 | 2010-09-08 | 西北工业大学 | Variable-channel extrusion die and forming method |
| CN104226711A (en) * | 2014-10-09 | 2014-12-24 | 太原理工大学 | Extrusion die with multiple corners and forming method thereof |
| CN104889189A (en) * | 2015-06-05 | 2015-09-09 | 太原理工大学 | Equal-channel corner extrusion mold and method |
| CN105798075A (en) * | 2016-03-29 | 2016-07-27 | 太原理工大学 | Asymmetric extrusion die and blank formation method thereof |
| CN106984665A (en) * | 2017-05-25 | 2017-07-28 | 天津工业大学 | A kind of off-axis rotation extruding mold and its moulding material method |
| CN107282681A (en) * | 2017-08-17 | 2017-10-24 | 西京学院 | A kind of bar screw extrusion mould and its application method |
| CN107309381A (en) * | 2017-08-31 | 2017-11-03 | 西京学院 | A kind of material extrusion die and its manufacturing process |
-
2018
- 2018-05-18 CN CN201810481377.1A patent/CN108435817A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006289479A (en) * | 2005-04-14 | 2006-10-26 | National Institute For Materials Science | Intensive working method of metal, and die used for intensive working method |
| JP2007130661A (en) * | 2005-11-09 | 2007-05-31 | Daido Steel Co Ltd | Multi-stage forward extrusion method |
| CN101823085A (en) * | 2009-03-04 | 2010-09-08 | 西北工业大学 | Variable-channel extrusion die and forming method |
| CN104226711A (en) * | 2014-10-09 | 2014-12-24 | 太原理工大学 | Extrusion die with multiple corners and forming method thereof |
| CN104889189A (en) * | 2015-06-05 | 2015-09-09 | 太原理工大学 | Equal-channel corner extrusion mold and method |
| CN105798075A (en) * | 2016-03-29 | 2016-07-27 | 太原理工大学 | Asymmetric extrusion die and blank formation method thereof |
| CN106984665A (en) * | 2017-05-25 | 2017-07-28 | 天津工业大学 | A kind of off-axis rotation extruding mold and its moulding material method |
| CN107282681A (en) * | 2017-08-17 | 2017-10-24 | 西京学院 | A kind of bar screw extrusion mould and its application method |
| CN107309381A (en) * | 2017-08-31 | 2017-11-03 | 西京学院 | A kind of material extrusion die and its manufacturing process |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110369618A (en) * | 2019-08-14 | 2019-10-25 | 江苏大学 | A kind of mold of high pressure torsion expanding extruding |
| CN110369542A (en) * | 2019-08-14 | 2019-10-25 | 江苏大学 | A kind of continuous expanding extruding mold |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106984665B (en) | A kind of off-axis rotation extruding mold and its moulding material method | |
| CN104438415B (en) | The multidirectional compound multichannel screw extrusion mould of metal stock | |
| CN105798075A (en) | Asymmetric extrusion die and blank formation method thereof | |
| CN108435817A (en) | A kind of bar extruding mold and its application method | |
| CN209647362U (en) | A kind of thimble structure of stamping die | |
| CN106955902A (en) | Shaping dies and its manufacturing process are squeezed in a kind of tubing rotation | |
| CN108380685A (en) | A kind of tube extrusion die and its application method | |
| CN107282681A (en) | A kind of bar screw extrusion mould and its application method | |
| CN107685084A (en) | A kind of tubing screw extrusion shaping dies and its application method | |
| CN107413875A (en) | A kind of tube extrusion shaping dies and its manufacturing process | |
| CN108838622A (en) | A kind of cold extruding processing method of anti-rotary seat | |
| CN107309381A (en) | A kind of material extrusion die and its manufacturing process | |
| CN110340170A (en) | A kind of mold and its moulding material method | |
| CN211839594U (en) | Extrusion device of stainless steel round ball | |
| CN106001154B (en) | A kind of method for waiting channel pressings mould and forming blank | |
| CN204276558U (en) | Metal stock multidirectional compound multichannel screw extrusion mould | |
| CN207640753U (en) | A kind of apparatus for destroying of syringe | |
| CN110340171A (en) | A kind of forming die for pipe and its manufacturing process | |
| CN209597890U (en) | It is a kind of to squeeze vertical ring core mould | |
| CN208195325U (en) | Building iron template right angle squeezes rib machine | |
| CN208840223U (en) | Mold reverse extrusion type metal extrusion press | |
| CN107199255B (en) | A kind of corner folds extruding mold and its moulding material method | |
| CN207043258U (en) | Anti- mode hopping mould is just being squeezed in a kind of long pole warm forging | |
| CN206262995U (en) | A kind of pressurizing unit of overall consutrode | |
| CN208840228U (en) | Extruding aluminium alloy tubing squeezing needle and needle point separator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180824 |
|
| RJ01 | Rejection of invention patent application after publication |